<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>
<body>
    <div>
            <input id="myCar" list="cars" />
            <datalist id="cars">
              <option value="BMW">
              <option value="Ford">
              <option value="Volvo">
            </datalist> 
    </div>
       


    下载进度：
<progress value="23" max="100">
</progress>

<p><b>注释：</b>Internet Explorer 9 以及更早的版本不支持 <progress> 标签。</p>




    <div>
            <p>显示度量值：</p>
            <meter value="3" min="0" max="10"></meter><br>
            <meter value="0.5"></meter>
            
            <p><b>注释：</b>Internet Explorer 不支持 meter 标签。</p>
    </div>
</body>
</html>